When we browse a website, watch a video, or join a Zoom call, a complex series of events occurs behind the scenes. Understanding how the internet works requires exploring the OSI Model, TCP/IP protocols, HTTP communication, and DNS Resolution. OSI Mo...
Welcome to the next pikoTutorial! The minimal receiver import struct from argparse import ArgumentParser from socket import socket, AF_INET, SOCK_DGRAM, inet_aton, IPPROTO_IP, \ IP_ADD_MEMBERSHIP, INADDR_ANY, SOL_SOCKET, SO_REUSEADDR # define com...
Socket programming forms the backbone of network communication in modern applications. Whether you're building a chat application, a multiplayer game, or a distributed system, understanding how to work with sockets is essential. This blog will introd...
Introduction Networking concepts are the fundamental ideas and rules that explain how computers and devices connect and communicate with each other. They address everything from the organization and management of networks to the flow of data. OSI Mod...
Ever wondered what goes behind apps like Google Meet or Zoom? How do they make it so easy for us to communicate through video, even when we're sitting on opposite sides of the planet? Yeah, I came across this while building an app for myself. That’s ...
for: beginners By: A Curious Learner Who Asked All the Right Questions Introduction When we browse the web, stream a video, or chat online, a lot happens under the hood. Protocols like TCP, HTTP, UDP, and WebSocket work together to move data back an...
It was 2:03 AM when my phone buzzed with the familiar dread of a PagerDuty alert. Half-asleep, I squinted at the screen: "CRITICAL: API response times spiking - 95th percentile timeout errors increasing". What started as another routine midnight fire...
Understanding and Fixing Chrome’s ERR_QUIC_PROTOCOL_ERROR You're browsing the web, clicking through tabs, and then—bam! You’re hit with this message: “This site can’t be reached... ERR_QUIC_PROTOCOL_ERROR” If you use Google Chrome, this error might...
Welcome to the next pikoTutorial! The minimal UDP server A UDP server listens for incoming datagrams on a specified port and processes them as they arrive. from socket import socket, AF_INET, SOCK_DGRAM from argparse import ArgumentParser # define co...
What is TCP/IP? TCP (Transmission Control Protocol) is one of the core communication protocols that allow computers and devices to communicate with each other over the internet. It ensures that data sent from one device reaches the other accurately a...
